miosa-osa/osa · priv/skills/offensive-initial-access/SKILL.md

offensive-initial-access skillA

offensive-initial-access is agent-read markdown (skill) from miosa-osa/osa: Initial access techniques checklist: phishing (spear/smishing), credential stuffing, exposed service exploitation, supply chain attacks, watering hole, VPN/RDP brute force, public-facing application exploitation. Maps to MITRE ATT&CK TA0001. Use when planning initial access phases of red team engagements..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add miosa-osa/osa/offensive-initial-access@git:20260914.92db90a
Exact content
mdr add miosa-osa/osa/offensive-initial-access@sha256:b2dd2d599c8b49f0

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_7ty2ovq7ykr4zmjw.svg)](https://markdownregistry.com/a/art_7ty2ovq7ykr4zmjw)

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Versions

versioncommittedcommitsizeaudit
git:20260914.92db90a latest2026-09-14 92db90a 2,212 BA view · diff
git:20260913.e13b6b82026-09-13 e13b6b8 45,618 BF view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (2212 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

miosa-osa/osa · 57 stars · license NOASSERTION · pushed 2026-09-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_7ty2ovq7ykr4zmjw
GET https://markdownregistry.com/api/v1/resolve?ref=miosa-osa/osa/offensive-initial-access
GET https://markdownregistry.com/api/v1/blob/b2dd2d599c8b49f052923267edf15f694ba6efe593498ff9a2186e453a8bf309